Update dependency lint-staged to v8.1.6

Author: renovate-bot

package-lock.json

@@ -47,7 +47,7 @@
     "eslint-plugin-prettier": "3.0.1",
     "husky": "2.2.0",
     "jest": "24.7.1",
-    "lint-staged": "8.1.5",
+    "lint-staged": "8.1.6",
     "prettier": "1.17.0",
     "prettier-eslint": "8.8.2",
     "prettier-eslint-cli": "4.7.1",